docs: def aprint(*values, sep=None, end='\n', flush=False, streams=None, use_stderr=False, loop=None):
      """Asynchronous equivalent to *print*."""
      # Get standard streams
      if streams is None:
          streams = yield from get_standard_streams(
              use_stderr=use_stderr, loop=loop)
      _, writer = streams
      print(*values, sep=sep, end=end, flush=flush, file=writer)
      yield from writer.drain()